Length of the spring. (31mm. 32mm. 33mm. 34mm) 4 types

Hardness (hard. medium hard five on the length of each.



Medium. medium soft. soft)



By setting at equal intervals. was to facilitate the setting.





�� Toshimashite choice of length of the spring.



If the results can be obtained who was raised road surface such as carpet. the surface pressure is good.



Or if you want to run the machine brisk. but are not limited to. the short



(31mm. 32mm) and





And asphalt road surface. concrete. tile and P road surface.



Or if you want to chill the movement of the machine. but are not limited to. the longer



(33mm. 34mm) and



Please choose.